A certain oxide of iron contains 2.5 grams of oxide for every 7.0grams of iron. If it is regarded as a mixture of FeO and Fe_(2)O_(3) in the weight ratio a:b, what is a:b ? (atomic weight of iron = 56)

A certain oxide of iron contains 2.5 grams of oxide for every 7.0grams

1.	A certain oxide of iron contains 2.5 grams of oxide for every 7.0grams of iron. If it is regarded as a mixture of FeO and Fe_(2)O_(3) in the weight ratio a:b, what is a:b ? (atomic weight of iron = 56)
Answer» <html><body><p>`9:10`<br/>`9:20`<br/>`14:5`<br/>`1:1`</p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :A</body></html>